Watts F275950 Pressure Relief Valve 4,399,000 BTU 100 PSI 1-1/4" FNPT

The Watts F275950 Pressure relief valve is used to protect HVAC systems from pressure fluctuations that can be dangerous. Designed for systems with a capacity of 4,399,000 BTU, it works at a fixed pressure of 100 PSI and comes with a 1-1/4” FEM NPT connection. capacity of 4,399,000 BTU, it operates at a set pressure of 100 PSI and features a 1-1/4" FEM NPT connection for convenient installation. This valve works through a spring operated mechanism that opens and lets out pressure in case of an overload to avoid damaging of other essential parts such as boilers, chillers, and pipes.